Michael P. Kennedy
Published: 2016-12-01
Total Pages: 84
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Excerpt from Geology of the San Diego Metropolitan Area, California Sand and gravel deposits useable for concrete, bituminous, and ceramic aggregate underlie a large part of the area. Clay deposits useable for ceramics, fire clay, and expansible clay are also abundant but have not been exploited. The clay deposits are widespread and closely associated with expansive soils and surficial landsliding. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.